/* ============================================
   设置页面专属样式 - 表单、开关、数据管理
   ============================================ */

.settings-section {
  margin-bottom: var(--space-2xl);
}

.settings-section h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-md);
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.setting-item label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.setting-item input[type="number"] {
  width: 100%;
}

/* 开关按钮 */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-bg-tertiary);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  flex-shrink: 0;
}

.toggle-switch:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 12px;
}

.toggle-switch.active {
  background: var(--color-primary);
}

.toggle-switch .toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-knob {
  transform: translateX(20px);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .toggle-switch {
    width: 52px;
    height: 30px;
    border-radius: 15px;
  }

  .toggle-switch .toggle-knob {
    width: 24px;
    height: 24px;
  }

  .toggle-switch.active .toggle-knob {
    transform: translateX(22px);
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}